Cost to build a flat roof extension in SW6

Flat roof extension cost in SW6

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in SW6?

A flat roof extension ranges from the cheapest of £21,840 (Cue Group of Companies based in SW6) to the dearest of £22,000 (H G Builders based in SW6), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.

Find out how much your flat roof extension will cost in SW6 by posting a job with HaMuch. We'll send it to extension builders in SW6.

Estimates for flat roof extension near SW6

"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m."

How much does a flat roof extension cost?
Flat roof extension cost per m2
Factors affecting the cost of flat roof extensions
Advantages and disadvantages of flat roofs
Which is cheaper: a flat roof or pitched roof?
How long does a flat roof extension take?
Do you need planning permission for a flat roof extension?
How long does a flat roof last?
Can you walk on a flat roof extension?
What insulation do I need for a flat roof extension?

	Job	Estimate
	Underpinning a house	£17,389
	Build a two storey extension	£87,833
	Build a timber frame extension	£25,889
	Install a swimming pool	£80,889
	Cost to build a single storey extension	£52,773
	Cost to build a side return extension	£40,247
	Install an RSJ	£2,089
	Build an outbuilding	£9,889
	Build a mansard loft conversion	£51,889
	Cost of a loft conversion	£32,706
	Build a kitchen extension	£41,889
	Build a hip to gable loft conversion	£41,889
	Build a granny annexe	£86,889
	Build a garden office	£9,889
	Convert a garage	£15,889
	Build a new garage	£18,389
	Build a flat roof extension	£21,889
	Build a dormer loft conversion	£41,889
	Lay a concrete foundation	£6,139
	Convert a bungalow loft	£28,889
	Basement conversion cost	£36,247

Business name	Flat roof extension cost
Cue Group of Companies, London, Greater London, SW6	£21,840
Marco Mule, Greater London, SW6	£21,944
Pascal Huser Design & Build, London, Greater London, SW6	£21,840
Firfield Construction, 21G Heathmans Road, London, Greater London, SW6	£21,840
Eugene Perera, Greater London, SW6	£21,944
Patricia Cox Design, Greater London, SW6	£21,944
A to Z Design and Build ltd, London, SW6	£21,840
A to Z Design and Build ltd, London, SW6	£21,944
GDL Property, 1 Broxholme House, New King's Rd, London, SW6	£21,840
ELLEN MARTIN, London, Greater London, SW6	£21,840
Meon Building Contractors Ltd, London, Greater London, SW6	£21,840
SmallAmtaars Ltd, Greater London, sw6	£21,944
WG Ltd, Studio 2F1, Cooper House, 2 Michael Road, London, SW6	£21,840
Kensington & Chelsea Property Maintenance, London, Greater London, SW6	£21,840
Regal Construction Services, London, SW6	£21,856
Pyramids Construction, 2G Coopers House, Michael Road, London, Greater London, SW6	£21,840
Koncept Bathrooms, Greater London, SW6	£21,944
GMSquare Ltd, Greater London, SW6	£21,944
Form + Build, Greater London, SW6	£21,944
Property Makeover Ltd, Greater London, SW6	£21,944
The Property Service, Londonderry, SW6	£21,944
H G Builders, Fulham, London, SW6	£22,000
Bashtan at ARCHITECTURE HUB, 792 Fulham Road, LONDON, Greater London, SW6	£21,840
chasewood maintenance, london, sw6	£21,840
Mon Concept Habitation - London, 252 Wandsworth Bridge Road, London, SW6	£21,840

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Flat roof extension cost in SW6

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Flat roof extension cost in SW6

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